Looks like MS have updated the article on 811493 and recognise the performance issue: Buffer Overrun in Windows Kernel Message Handling could Lead to Elevated Privileges (811493) Microsoft® Windows NT® 4.0, Windows® 2000 and Windows® XP systems
A security issue has been identified that could allow an attacker to compromise a computer running Microsoft® Windows® and gain control over it. To attempt an attack, the attacker would have to be able to log on to the computer. You can help protect your computer by installing this update from Microsoft.
A security issue has been identified that could allow an attacker to compromise a computer running Microsoft® Windows® and gain control over it. To attempt an attack, the attacker would have to be able to log on to the computer. You can help protect your computer by installing this update from Microsoft.
